src/include/access/brin_pageops.h

   1 /*
   2  * brin_pageops.h
   3  *              Prototypes for operating on BRIN pages.
   4  *
   5  * Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
   6  * Portions Copyright (c) 1994, Regents of the University of California
   7  *
   8  * IDENTIFICATION
   9  *        src/include/access/brin_pageops.h
  10  */
  11 #ifndef BRIN_PAGEOPS_H
  12 #define BRIN_PAGEOPS_H
  13
  14 #include "access/brin_revmap.h"
  15
  16 extern bool brin_doupdate(Relation idxrel, BlockNumber pagesPerRange,
  17                                                   BrinRevmap *revmap, BlockNumber heapBlk,
  18                                                   Buffer oldbuf, OffsetNumber oldoff,
  19                                                   const BrinTuple *origtup, Size origsz,
  20                                                   const BrinTuple *newtup, Size newsz,
  21                                                   bool samepage);
  22 extern bool brin_can_do_samepage_update(Buffer buffer, Size origsz,
  23                                                                                 Size newsz);
  24 extern OffsetNumber brin_doinsert(Relation idxrel, BlockNumber pagesPerRange,
  25                                                                   BrinRevmap *revmap, Buffer *buffer, BlockNumber heapBlk,
  26                                                                   BrinTuple *tup, Size itemsz);
  27
  28 extern void brin_page_init(Page page, uint16 type);
  29 extern void brin_metapage_init(Page page, BlockNumber pagesPerRange,
  30                                                            uint16 version);
  31
  32 extern bool brin_start_evacuating_page(Relation idxRel, Buffer buf);
  33 extern void brin_evacuate_page(Relation idxRel, BlockNumber pagesPerRange,
  34                                                            BrinRevmap *revmap, Buffer buf);
  35
  36 extern void brin_page_cleanup(Relation idxrel, Buffer buf);
  37
  38 #endif                                                  /* BRIN_PAGEOPS_H */